baber/WOPTO huggingface dataset:
Patent GB-128464-A (GB)
Title: Process of Retting Fibrous Substances.
Inventor: RINMAN ERIK LUDVIG
IPC: D01C1/02
Filed: 1918-08-30
Abstract: 128,464. Rinman, E. L. Aug. 30, 1918. Retting; fibres, obtaining. - Flax, jute, rape, and pine-apple leaves &c. are treated for from three to five hours and at a temperature of at least 90‹ C., and preferably at 100‹ C., with a waste liquor obtained from a previous treatment of the same or other vegetable substances with potassium or sodium hydrate, the liquor being concentrated to a sp. gr. of 1.074 to 1.1. The liquor should contain from 0.2 to 2.0 per cent of free alkali, but for treating flax, a lye containing more than 1 per cent of alkali should not be used. The temperature may be raised to 135‹ C. when two hours treatment will be sufficient. When starting the operation, a waste liquor may be obtained by boiling wood, straw &c. for three hours at a temperature of 100-120‹ C. with a solution containing 2¢ per cent of potassium or sodium hydrate. After washing and drying, the material is subjected to the usual mechanical treatment for obtaining fibres capable of being spun. When the liquor has become too concentrated, the soda or potash and also the extracted substances may be recovered therefrom by the process described in Specification 6652/12, [Class 1 (ii), Inorganic compounds other than &c.], whereby acetone, wood spirit, higher alcohols, ketones, oils, wax, ammonia, and amines are obtained.
Patent GB-727312-A (GB)
Title: Improvements in fuel injection pumps
Inventor: FRIEDLANDER WILLIAM
IPC: F02M41/08
Filed: 1950-06-06
Abstract: 727,312. Fuel-injection pumps. MONOCAM, Ltd. June 1, 1951 [June 6, 1950], No. 14155/50. Class 102 (1). In a fuel-injection pump having a number of parallel cylinders 5 in which the pistons are actuated by an axially-acting cam and the delivery is controlled by adjusting the axial position of sleeves 17 controlling spill from ports 31 in the pistons, the sleeves are carried between two members 15, 16 so that they move axially with the member but may move transversely to permit alignment with the pistons. The sleeves have flanges 33 which slide in the space between the members which are spaced apart by spacing washers 35 and held together by screws 34. Alternatively, washers may be spaced on either or both sides of the flanges 33 to permit axial adjustment of each sleeve. Specification 580,354 is referred to.
Patent GB-868556-A (GB)
Title: Analeptically active ª--hydroxy-and ª--acyloxy-butyric acid alkyl-amides and a process for their manufacture
IPC: C07C233/00
Filed: 1958-05-02
Abstract: The invention comprises compounds of the general formula: <FORM:0868556/IV (b)/1> (wherein R1 and R2 represent C2-4 alkyl radicals and R3 represents a hydrogen atom or an aliphatic acyl radical containing at most 4 carbon atoms; the preparation thereof by (a) reducing an a -ketobutyric acid dialkylamide and, if desired, acylating the product or (b) hydrolysing an a -halobutyric acid dialkylamide and, if desired, acylating the product, or (c) reacting an a -hydroxybutyric acid or a functional derivative thereof, whose hydroxy group may be protected by a radical easily split off (e.g. by acylation), with a dialkylamine and, if desired, eliminating the protecting radical; and pharmaceutical preparations containing the products, which have analeptic properties.  The a -hydroxybutyric acid dialkylamides can also be made by the action of nitrous acid on the corresponding a -amino compounds.  A condensation product of a -hydroxybutric acid and acetone having the formula:  <FORM:0868556/IV (b)/2> is described for use as a starting material in process (c).
Patent GB-329815-A (GB)
Title: Improvements in coin-freed automatic vending machines
IPC: G07F11/02
Filed: 1929-05-07
Abstract: 329,815. Heiland, A. May 7, 1929, Delivery of articles stored in piles. - Flat articles, such as newspapers or magazines, are arranged in a pile and placed in the open loops of a flexible cord k, Figs. 1 and 2, passing in zig-zag fashion through the pile, one end of the cord being attached to the supporting table of the pile and the other end to a drum b formed with a helical groove and slidably splined on its spindle w. After prepayment, the drum, which is connected to a shaft n through gearing l, is rotated to wind up the cord k by a weight i, connected to the shaft n by a cord o, so that the articles are pulled off the top of the pile and fall off alternately at the back and front of the pile, they being then guided to a delivery tray by a curved guide-way a. The drum b, as the cord k is wound thereon, is moved along the spindle w by a fork g engaging the helix. In a modification, Fig. 7, the drum is moved by a screwed extension v passing through a nut u which is carried by pivoted arms s. When articles of a different size are to be delivered, the drum is replaced by another of different size, or by providing a helically grooved, two-part shell which is attached to the drum by screws; or, as shown in Fig. 11, the grooved portion of the drum may consist of two shells m<1>, m<2> pivoted at q<1>, q<2> to arms p', p<2> extending from end discs p, these shells being rocked on their pivots by a turn-buckle r to adjust the diameter of the drum. Phonographs; telephone apparatus; exhibiting moving advertisements &c.-The machine may be combined with a talking machine, which calls out at intervals the names of the papers on sale, and it may also be combined with a radio set delivering messages sent from a distance. The side of the casing may display notices &c. attached to an endless band on rollers, one of which has a crank handle so that the band can be made to travel past a window. Coin action, weight and multiple coin; coindischarging mechanism. - A spring-controlled catch h, the arm of which projects into the coin shoot, is tripped by the passage of a coin to release a shouldered cam f and allow rotation of the shaft n. The tripping coin may be a single coin or the last. of a series of coins. When a series of coins is used, the first coins enter a shoot and rest on a pin d which is vertically adjustable to set the machine for use with different numbers of coins. All the coins but one rest on the pin d so that the last coin is deflected into a second shoot to trip the catch h. Separate coin shoots and separate testers are provided for the different coins. The rotation of the shaft w causes a cam e to rock a lever and withdraw the pin d, allowing the coins resting thereon to drop to a money-box. Specification 16326/11 is referred to.
Patent GB-317138-A (GB)
Title: Improvements in and relating to hockey, cricket and like balls
IPC: A63B37/00
Filed: 1928-05-15
Abstract: 317,138. Marks, E. C. R., (Remfry, D. H.). May 15, 1928. Balls.-Cricket, hockey and similar balls are constructed with covers formed from two pieces of covering material, each of which, previous to bending into shape and sewing, is cut into the form of a disc having a number of V-shapd notches extending from its circumference towards its centre, but stopping short of the centre, the notches being so proportioned that when the covering material is bent into cup form the corresponding edges of each notch meet together and allow the cup to be approximately hemispherical. Any number of notches 6, Fig. 9, may be formed in the disc 5 of covering material, the edges of the notches having straight or convex sides. Margins 7<a> may be allowed for sewing, or the edges of the notches may have a bevel 23, Fig. 10, to form simple butt joints. Alternatively, the edges may be bevelled for a part 24 of their depth, and a projection 25 and a slit 26 formed to allow the respective parts 24 of the two edges to be drawn together by sewing through the projections 25, Fig. 11. When finished, the joints 8 are staggered with respect to each other, Fig. 13.
Patent GB-480767-A (GB)
Title: Improvements in or relating to the production of a concentrated chromium material
IPC: C22B34/32
Filed: 1936-05-20
Abstract: Chromium ore, particularly chromite, is treated to render it suitable for use in the production of chromium and chromium alloys by subjecting it to a reducing operation and concentrating the product, preferably magnetically.
Patent GB-553146-A (GB)
Title: Watch having a device for measurement of time intervals
IPC: G04F7/00
Filed: 1941-11-06
Abstract: 553,146. Watches. MANUFACTURE DES MONTRES UNIVERSAL PERRET ET BERTHOUD SOC. ANON. Nov. 6, 1941, Nos. 14333 and 14334. Convention dates, Nov. 6, 1940, and Sept. 22, 1941. [Class 139] A watch with a stop mechanism for measuring time intervals has an additional dial and hour and minute hands which can be set independently of the watch movement to indicate the moment of starting of the measuring period. As shown in Fig. 2 applied to a wrist watch with a chronograph hand 3 and counting hands and dials 5, 6 and 7 for hours, minutes and seconds additional hands 9, 10 co-operating with a small dial (not shown) are provided for setting the starting time. These hands are secured to nested sleeves loose on a fixed axle and carrying pinions 11, 12 connected by gearing 13 to 17 and 19 manipulated by a crown 18. As shown in Fig. 4 the crown is fixed to an axially movable spindle 22 which when pulled permits a prismatic portion 25 on the spindle to engage a polygonal hole in the driving element 24 of the gear train to the hands 9, 10. The spindle 22 is formed with grooves 26, 27 that co-operate with spring blades 28, 29 to hold the spindle in one or other of its set positions.
Patent GB-900783-A (GB)
Title: Improvements in mobile jib cranes
Inventor: DUPEN PETER JOHN
IPC: F15B11/17
Filed: 1958-05-06
Abstract: 900,783. Hydraulic apparatus. CHAMBERLAIN INDUSTRIES Ltd. June 12, 1959 [May 6, 1958], No. 14513/58. Class 69 (2). [Also in Group XXX] A variable delivery hydraulic pump 4, Fig. 2, in a mobile jib crane, actuates either a roadwheel motor 2 or a hoist motor 1 via a relay valve 5a, 5b, shown for convenience in two parts in Fig. 4. The pistons 12a, 12b of the valve 5a 5b, are operated by pressure at inlets 7a, 8a, controlled by a manually-operated valve, not shown, and are connected together by a beam 16 pivoted at 16c, Fig. 3, ensuring opposing movements of the pistons. Thus, either the motor 2 or the motor 1 is isolated from the pump 4. A pair of spindles 5e within the valve 5a, 5b allow excess pressure to be directed back to a reservoir 6 via a spring-loaded cone 5e seated on other stem 5h, the cone spring pressure being adjusted by screw 5i.
Patent GB-927479-A (GB)
Title: Polymerisable polyester composition
IPC: C08F283/01
Filed: 1961-04-21
Abstract: A composition which is polymerizable on the addition of a peroxidic catalyst comprises an unsaturated polyester resin and (i) a tertiary dialkyl-aryl monoamine, (ii) a tertiary alkyl- or alkanol-amine and (iii) a secondary aryl or alkyl aryl amine, any of the amines being replaceable by a salt thereof.  The three amines used in conjunction are stated to exert a stabilizing effect in the absence of the peroxidic catalyst and a promoting effect in its presence.  The polyester may be obtained by the polycondensation of maleic, fumaric, aconitic, itaconic, citraconic or mesaconic acid, optionally mixed with up to 80 wt. per cent of phthalic, oxalic, malonic, succinic, glutaric, sebacic, adipic, pimelic, azelaic, isophthalic, tetrahydrophthalic, terephthalic, tetrachlorophthalic, hexachloro-endomethylene-tetrahydrophthalic, citric or tartaric acid with mono, di- or tri-ethylene- or mono- or di-propyleneglycol, butanediol, hexanediol, neopentyl glycol, glycerol, pentaerythritol, sorbitol or mannitol.  Comonomers specified are vinyl acetate, styrene, methyl styrene, methyl methacrylate and acrylonitrile.  In amine (i) the aryl group may be unsubstituted or be an azo-, amino-, hydroxyor aldehyde-aryl group examples of such amines being dimethyl-, diethyl-, and methyl benzylaniline, dimethyl-p-toluidine, p-dimethyl-aminoazobenzene and p-dimethyl-aminobenzaldehyde. Examples of amines (ii) and (iii) are:- (ii) triethylamine, tri-isopropylamine, ethyldiethanolamine and triethanolamine; and (iii) diphenylamine and methylaniline.  The peroxidic catalyst used in all examples is benzoyl peroxide.  The composition may also include an inhibitor, e.g. hydroquinone, the cresols, catechol, resorcinol, t-butyl catechol, eugenol or guaiacol.  The compositions may be reinforced with glass fibres; applications mentioned are in mouldings, in protective coatings and paints, in adhesives, surfacers and putties for marbles, for coating building materials, for flooring and in stoppers for car bodies.
Patent GB-480587-A (GB)
Title: Improvements in or relating to platen printing presses
IPC: B41F1/28
Filed: 1936-05-23
Abstract: 480,587. Platen printing machines. THOMPSON & SON, Ltd., T. C., and THOMPSON, F. S. May 23, 1936, No. 14617. [Class 100 (ii)] In a sheet-feeding mechanism for a platen printing-machine wherein the sheets are fed from a pile by suckers operated by oscillating levers in such a manner that the sheets are first carried above the platen and then close to and down the face of the platen, the suckers are reciprocated by mechanism comprising a crank and connecting-rod which are fully extended or opened When the suckers are in position to pick up a sheet from the pile, and are fully closed in the inner position when the suckers are in position to release and deposit the sheet. A guide 10 pivotally mounted on an extension of the fulcrum, shaft 9 of the movable platen 6 is adapted to receive a slide bar 11 which carries at one end a suction tube 13 and suction nozzles. The guide 10 is oscillated on the shaft 9 by means of a link 15 and bell-crank lever 16 actuated by a groove in one side of a cam disc 18. The slide bar 11 is reciprocated in the guide 10 by means of a connecting-rod 20 and an oscillating crank 21 secured on a shaft 22, the shaft having a pinion which is engaged by a toothed quadrant 24 which is actuated by a second groove in the cam 18.' The grooves in the cam 18 are shaped so that the suction nozzles move in the path 33 to take a sheet from the table 8 and draw it along the platen 6, and then return to the table. In the extreme positions of the nozzles, i.e. when they take up a sheet and when they release it, the pivot points of the crank and connecting-rod 20 actuating the slide bar 11 lie in a straight line whereby the bar and the nozzles are held rigidly in position.
Patent GB-1516067-A (GB)
Title: Electrolytic capacitors
IPC: H01G9/012
Filed: 1977-04-06
Abstract: 1516067 Electrolytic capacitor SPRAGUE ELECTRIC CO 6 April 1977 [12 April 1976] 14645/77 Heading H1M The cathode lead of a solid electrolytic capacitor has a wire portion 20a and a flattened portion 20b formed into a C-section which conforms to the surface of the capacitor body to which it is attached by soldering.
Patent GB-283188-A (GB)
Title: Improvements in or relating to radio transmission systems
IPC: H04H20/67
Filed: 1927-05-31
Abstract: 283,188. Lorenz Akt.-Ges., C. Jan. 7, 1927, [Convention date]. Addition to 270,273. Oscillation generators.-In a wireless broadcasting system of the kind described in the parent Specification, in which the frequency of a number of associated radiating stations is controlled by currents from a central station, the control currents are sent out at a frequency lower than the limiting frequency of the transmission cable employed. The limiting frequency is defined as the frequency beyond which the transmission of energy is impracticable owing to attenuation. In the case of an ordinary telephone cable, the limit is about 8,000 cycles per second, and with a loaded cable about 3,000 cycles per second. With a short transmission cable the control frequency is chosen fairly close to the limiting frequency, and with longer cables a lower control frequency is employed with a greater step-up in frequency at the radiating stations.
Patent GB-165311-A (GB)
Title: Improvements in balance-springs or hair-springs for watches and chronometers
IPC: G04B17/22
Filed: 1920-05-31
Abstract: 165,311. Redfern, C. G., (Soc. des Fabriques des Spiraux RÚunies). May 31, 1920. Alloys.-Relates to alloys for hair-springs described in Specifications 3846/12 and 127,806. The compensating capacity of the springs there described is adapted to the ordinary range of temperature encountered by reducing the chromium constituent, in an iron-nickel alloy containing 27-45 per cent of nickel, to 4-8 per cent. For example, the alloy may contain 53- 64 per cent of iron, 30-36 per cent of nickel. 4-5 per cent of chromium, 1-3 per cent of tungsten, 0.5-1 per cent of carbon, and 0.5-2 per cent of manganese and silicon, or 0.2-2 per cent of vanadium, or 0.5-3 per cent of manganese, vanadium, and silicon.
Patent GB-1217898-A (GB)
Title: Photographic plates
IPC: G03C1/675
Filed: 1968-03-27
Abstract: 1,217,898. Photographic compositions. SCOTT PAPER CO. March 27, 1968 [March 29, 1967], No.14788/68. Addition to 1, 093, 724. Heading G2C. Photographic compositions comprise a dispersion in a binder comprising a major proportion of polyphenylene oxide resin of (1) a furfurylidene compound, (2) a primary aromatic amine and (3) a photo-sensitive C1-4 halvalkane (cf Specification 1, 093, 724). Preferably the binder is poly (2, 6- dimethyphenylene oxide) optionally mixed with polystyrene, polymethacrylate or a styrene acrylic and optionally plasticized with Monoplex, triphenyl phosphate, dioctyl phthalate or a chlorinated paraffin. The compositions may be coated on polyethylene terephthalate optionally subbed with polyvinylacetate-maleate copolymer or used to impregnate absorbent paper. The compositions produce a stable image on exposure and heating to at least 100‹ C.
Patent GB-729381-A (GB)
Title: Water dispersible carbon black
IPC: C09C1/56
Filed: 1953-05-27
Abstract: Densified carbon black colouring material readily dispersible in water comprises a major proportion of carbon black and at least 1 per cent. by weight of finely divided bentonite intimately dispersed in said carbon black.  The densified carbon black has a bulk density of more than about 18 pounds per cubic foot and may be produced by tumbling or pressing under a high load and may be in the form of beads or pellets or crushed granules.  The particles of bentonite may be predominantly smaller than 300 mesh (Tyler standard).ALSO:A composition readily dispersible in water for use in water-based paints and inks and for colouring paper comprises a major proportion of carbon black and at least one per cent, preferably about 25 per cent, by weight of finely divided bentonite.  The particles of bentonite may be predominantly smaller than 300 mesh (Tyler standard).  The bentonite, while essentially montmorillonite, may contain appreciable quantities of calcium and magnesium.  Bentonites specified are Wyoming bentonite and materials available under the trade names Aquagel, BC Volclay, National Standard, Magcogel and Control gel.  The composition is in the form of bead or pellets or crushed granules produced by tumbling or pressing and has a bulk density of about 18 pounds per cubic foot or more.
Patent GB-878890-A (GB)
Title: Improvements in or relating to o-type travelling wave tubes
IPC: H01J25/38
Filed: 1960-04-28
Abstract: 878,890. Travelling wave tubes. COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL. April 28, 1960 [May 26, 1959], No. 14888/60. Class 39(1). In a travelling wave tube with one or more electron beams the delay line has at least one 'back plate' a longitudinal magnetic focusing field is provided and there is provided at least one conductor for draining positive ions and negative to the delay line arranged very close to the 'back plate' or within slots provided therein. The conductor which may be a bar or wire is longitudinal or transverse to the delay line. In one form, Fig. 2, ion drain bars 12 are screwed to insulating strips 13 Screwed to the two 'back plates' 10 and may be at cathode potential. The bars may be insulated by two strips from 'back plates', Fig. 5 (not shown) or wires are close to semicylindrical back plates Fig. 6 (not shown). A bar or wires may extend only over the attenuation zone of a backward wave oscillator. Two ribbon beams pass on opposite sides of an interdigital delay line 8. The output coaxial line is secured to the first finger of the delay line and a coil or permanent magnet focuses the beam. The glass envelope is soldered to the collector.
Patent GB-185206-A (GB)
Title: Improvements in bearings
IPC: F16C33/06
Filed: 1921-05-28
Abstract: 185,206. Robinson, H. W., and Crude Oil Engines, Ltd. May 28, 1921. Cylindrical journal bearings for internal-combustion engine crank-shafts &c. The bottom brass is formed in two parts 11, 11, each of which may be rotated separately on the shaft and moved longitudinally so as to be easily removable after removing the top brass 15 and caps 18. Recesses are formed in the top portion of the crank-case to permit this movement. Each part 11 has end flanges 13, 14, of which the flanges 13 fit in an annular groove 12. The top brass 15 has a rib 21 fitting in a recess 22 in the cap, which is bolted to the lower half of the crankcase. The cap 18 is recessed at each side to receive spring-pressed packing-strips 19 to make a gas-tight joint. The top brass can be lifted straight out, or, alternatively, it may be in two parts, each of which can be removed by sliding it longitudinally after removal of the cap. The arrangement enables a longer bearing to be used, while being easily removable.